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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992300558

1008Image EncodingUSTU PhysTech Cup 20003842334

1016Cube on the WalkUSU Local Contest. 19991669764

1022Genealogical TreeAutumn School Contest 20009394136

1033LabyrinthUral Championship 19995526231

1035Cross-stitchUral Championship 19999881277

1040Airline CompanyUSU Championship 20001286976

1045Funny GameUSU Local Contest. March 20002423514

1056Computer NetNEERC 2000 Central Subregional2371524

1065FrontierNEERC 20008611358

1069Prufer CodeUSU Personal Contest 20012179525

1072RoutingUSU Personal Contest 20012372483

1076Trash1746651

1077Travelling Tours1010407

1080Map ColoringWinter Mathematical Festival Varna 20014438256

1085MeetingSpring School Contest 20011944577

1096Get the Right Route Plate!USU Local Contest. March 20011589670

1099Work Scheduling7921210

1106Two TeamsTetrahedron Team Online Contest May 2001515480

1109ConferenceBulgarian Online Contest September 20011647251

1119MetroAutumn School Contest 2001517580

1124MosaicUSU Championship 20011335309

1128Partition into GroupsUSU Championship 2001980420

1129Door PaintingUSU Championship 2001919448

1136ParliamentNEERC 2001 Central Subregional4106101

1137Bus RoutesNEERC 2001 Central Subregional1365303

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011008409

1156Two RoundsUral Championship 2001. Round 21230336

1160NetworkNEERC 2001 Northern Subregional1293326

1162Currency ExchangeNEERC 2001 Northern Subregional875471

1176HyperchannelsUSU Personal Contest 20021123369

1182Team Them Up!NEERC 2001819505

1198Jobbery770565

1199Mouse1023480

1205By the Underground or by Foot?USU Local Contest. March 20021765236

1208Legendary Teams ContestUSU Local Contest. March 20022174192

1210Kind SpiritsAutumn School Contest 20022781152

1218Episode N-th: The Jedi TournamentUSU Championship 20021271331

1227Rally ChampionshipNEERC 2002 Central Subregional1342313

1237Evacuation PlanNEERC 2002452920

1242WerewolfUSU Personal Contest 20031930220

1250Sea BurialUSU Local Contest. March 2003591709

1254Die HardUSU Local Contest. March 2003642654

1270UnicubeUSU Championship 20031712379

1271Sailing DirectionsUSU Championship 2003844580

1272Non-Yekaterinburg SubwayUSU Championship 20032659161

1277Cops and ThievesNEERC 2003 Central Subregional525805

1280Topological SortingNEERC 2003 Central Subregional2730157

1281River BasinNEERC 2003 Central Subregional3081355

1291Gear-wheelsSpring School Contest 20041045411

1301Cube in LabyrinthUral Championship 1998576740

1314Chase in SubwayUral Championship 2004. Round 1825519

1315MDPAR and MIIARUral Championship 2004. Round 12062008

1320Graph DecompositionUral Championship 2004. Round 21350319

1323ClassmatesUral Championship 2004. Round 2525811

1325DirtUral Championship 2004. Round 2735582

1329Galactic HistoryAutumn School Contest 2004916472

1337BureaucracyAutumn School Contest 20042711555

1338AutomobilesUSU Championship 20042431734

1339BabiesUSU Championship 2004456942

1358CablesSpring School Contest 2005746581

1361Spaceology vs. ChronisticsUral Championship 2005. Round 21872232

1367Top SecretUral Championship 2005. Round 21333075

1379Cups TransportationUral Championship 2005. Round 1578750

1392Dreaming of Stars565768

1399Economical Director2610823

1400Cellular CharactersAutumn School Contest 2005804542

1416ConfidentialUSU Championship 20051017428

1419Maps of the Island WorldsUSU Championship 20053121365

1421Credit OperationsTimus Top Coders: First Challenge753560

1434Buses in VasyukiUSU Personal Contest 20063901063

1441From the History of Gringotts BankUral Championship 20063121310

1447Portkey NetworkUral Championship 20063751096

1449Credit Operations 2Timus Top Coders: Second Challenge2891400

1450Russian PipelinesTimus Top Coders: Second Challenge1323314

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest645417

1487Chinese FootballUSU Championship 20063061264

1500Pass LicensesNEERC 2006 Eastern Subregional603648

1505Oil TransferNEERC 2006 Eastern Subregional1272898

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest2751349

1533Fat HobbitsUSU Personal Contest 20073231150

1544Classmates 3Ural Championship 20073101180

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2121626

1569Networking the “Iset”USU Championship 20073301058

1575Yekaterinburg Subway 2Autumn School Contest 2007380920

1580Dean's DebtsAutumn School Contest 2007395886

1610CactusesUral Championship 20081821777

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest913236

1630TalismanUSU Championship 2008341915

1641DutiesAutumn School Contest 2008690457

1643Attack of the Dark FortressAutumn School Contest 2008690457

1651Shortest SubchainNEERC 2008 Eastern Subregional915345

1652Banking CrisisNEERC 2008 Eastern Subregional1192475

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest1521940

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest1841610

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest863188

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest2801055

1709Penguin-AviaUral Championship 20091933156

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional533526

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest917298

1770The Party of Ural ChampionsUral Championship 20101681509

1806Mobile TelegraphsNEERC 2010 Eastern Subregional403606

1833Hopes of RowingUral Championship 2011842487

1837Isenbaev's NumberUral Championship 2011382361

1847ZamkadyePetrozavodsk Summer 2010. USU Contest473883

1882Old NokiaUral Regional School Programming Contest 2011742600

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional541395

1905Travel in TimeUral Championship 2012195917

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional223804

1930Ivan's CarUral Regional School Programming Contest 20121026180

1934Black SpotUral FU Championship 2012599305

1966Cycling RoadsUral FU Personal Contest 2013271595

1980Road to InvestorUral Championship 2013295537

1982Electrification PlanUral FU Championship 20131215129

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional182673

2017Best of a bad lotNEERC 2014 Eastern Subregional124964

2030Awesome Backup SystemUral Regional School Programming Contest 2014300413

2034CaravansUral Regional School Programming Contest 2014459273

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest591832

2055Urban GeographyUral Championship 2015881157

2093All Roads Lead to SnowdriftUral FU Personal Contest 201473973